escalader vs climber

escalader and climber both are nouns.

Word	Noun	Adjective	Verb	Adverb
escalader	Yes	No	No	No
climber	Yes	No	No	No

As nouns, climber is a hypernym of escalader; that is, climber is a word with a broader meaning than escalader:

escalader: someone who gains access by the use of ladders
climber: someone who climbs as a sport; especially someone who climbs mountains

escalader (noun)	climber (noun)
someone who gains access by the use of ladders	an iron spike attached to the shoe to prevent slipping on ice when walking or climbing
	someone who climbs as a sport; especially someone who climbs mountains
	someone seeking social prominence by obsequious behavior
	someone who ascends on foot
	a vine or climbing plant that readily grows up a support or over other plants